Finding the Fourth Proportional to 468,354.08, 646,344.28 and 287,030.98
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Solution
The fourth proportional to 468,354.08, 646,344.28 and 287,030.98 is: 396,112.35
Step by Step Solution
- Step 1: Write the proportion equation
468,354.08 : 646,344.28 = 287,030.98 : x - Step 2: Convert to fraction form
468,354.08/646,344.28 = 287,030.98/x - Step 3: Cross multiply
468,354.08x = 646,344.28 × 287,030.98 - Step 4: Simplify right side
468,354.08x = 185,520,834,439.23 - Step 5: Solve for x
x = 185,520,834,439.23/468,354.08 - Step 6: Final answer
x = 396,112.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.